Arp 96 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: PGC 20028 · PGC 20066 · PGC 20191

Arp 96

This Astrobin debut object is the closest object to the north star that I have ever imaged. It is a pair of interacting galaxies located 210 million light years away in the constellation of Cepheus at a declination of +87 degrees. I couldn’t find anything written on this object.

Dr. Arp placed this object in the category of Elliptical Galaxy Companions on Arms. As often happens, I find this categorization a bit of a stretch. It is a fine Arp object, but they are fairly well separated and I wouldn’t say that the companion is on the spiral arm.

The spiral galaxy, UGC 3528A, is a face-on grand spiral with 2 gorgeous arms and a distinct core. The galaxy is about 50,000 light years in diameter.The elliptical galaxy, UGC 3536A (PGC 20066), is about the same size. The star stream connecting the 2 galaxies is at least 80,000 light years in length. I love these star stream bridges - my Astrobin collection of them is here.

The interesting edge-on spiral ring galaxy at upper left, MCG+14-04-014 (PGC 20191) is at the same distance as the Arp 96 objects, making this a triple galaxy system.

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Description: Comparison to Original Arp Image

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Status	Advanced success
Started	...
Astrometry.net job	4108642
PixInsight job	143KIHWMCWQB86TQ1DJ6NQGV90NB1NLM
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	07h02m44s.292
RA (top/left)	07h10m08s.839
RA (top/right)	06h53m58s.760
RA (bottom/right)	06h55m46s.254
RA (bottom/left)	07h11m06s.330

Dec (center)	+86°34′06″.63
Dec (top/left)	+86°40′20″.81
Dec (top/right)	+86°38′43″.80
Dec (bottom/right)	+86°27′40″.94
Dec (bottom/left)	+86°29′12″.13

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